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Finding the Fourth Proportional to 358,613.10, 537,958.62 and 134,081.10

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Solution

The fourth proportional to 358,613.10, 537,958.62 and 134,081.10 is: 201,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,613.10 : 537,958.62 = 134,081.10 : x
  2. Step 2: Convert to fraction form
    358,613.10/537,958.62 = 134,081.10/x
  3. Step 3: Cross multiply
    358,613.10x = 537,958.62 × 134,081.10
  4. Step 4: Simplify right side
    358,613.10x = 72,130,083,524.08
  5. Step 5: Solve for x
    x = 72,130,083,524.08/358,613.10
  6. Step 6: Final answer
    x = 201,136.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.